| 163401 | 74HC20PW-Q100 | Dual 4-input NAND gate | Nexperia |
| 163402 | 74HC20PW-Q100 | Dual 4-input NAND gate | NXP Semiconductors |
| 163403 | 74HC21 | Dual 4-input AND gate | Philips |
| 163404 | 74HC21D | Dual 4-input AND gate | Nexperia |
| 163405 | 74HC21D | Dual 4-input AND gate | NXP Semiconductors |
| 163406 | 74HC21DB | Dual 4-input AND gate | Nexperia |
| 163407 | 74HC21DB | Dual 4-input AND gate | NXP Semiconductors |
| 163408 | 74HC21N | Dual 4-input AND gate | NXP Semiconductors |
| 163409 | 74HC21PW | Dual 4-input AND gate | Nexperia |
| 163410 | 74HC21PW | Dual 4-input AND gate | NXP Semiconductors |
| 163411 | 74HC221 | Dual non-retriggerable monostable multivibrator with reset | Philips |
| 163412 | 74HC221D | Dual non-retriggerable monostable multivibrator with reset | NXP Semiconductors |
| 163413 | 74HC221D | 74HC/HCT221; Dual non-retriggerable monostable multivibrator with reset | Philips |
| 163414 | 74HC221DB | Dual non-retriggerable monostable multivibrator with reset | NXP Semiconductors |
| 163415 | 74HC221DB | 74HC/HCT221; Dual non-retriggerable monostable multivibrator with reset | Philips |
| 163416 | 74HC221N | Dual non-retriggerable monostable multivibrator with reset | NXP Semiconductors |
| 163417 | 74HC221N | 74HC/HCT221; Dual non-retriggerable monostable multivibrator with reset | Philips |
| 163418 | 74HC221U | Dual non-retriggerable monostable multivibrator with reset | Philips |
| 163419 | 74HC237 | 3-to-8 line decoder/demultiplexer with address latches | Philips |
|
| 163420 | 74HC237D | 3-to-8 line decoder, demultiplexer with address latches | Nexperia |
| 163421 | 74HC237D | 3-to-8 line decoder, demultiplexer with address latches | NXP Semiconductors |
| 163422 | 74HC237D | 74HC237; 3-to-8 line decoder, demultiplexer with address latches | Philips |
| 163423 | 74HC237D-Q100 | 3-to-8 line decoder, demultiplexer with address latches | Nexperia |
| 163424 | 74HC237D-Q100 | 3-to-8 line decoder, demultiplexer with address latches | NXP Semiconductors |
| 163425 | 74HC237DB | 3-to-8 line decoder, demultiplexer with address latches | Nexperia |
| 163426 | 74HC237DB | 3-to-8 line decoder, demultiplexer with address latches | NXP Semiconductors |
| 163427 | 74HC237DB | 74HC237; 3-to-8 line decoder, demultiplexer with address latches | Philips |
| 163428 | 74HC237N | 3-to-8 line decoder, demultiplexer with address latches | NXP Semiconductors |
| 163429 | 74HC237N | 74HC237; 3-to-8 line decoder, demultiplexer with address latches | Philips |
| 163430 | 74HC237U | 3-to-8 line decoder/demultiplexer with address latches | Philips |
| 163431 | 74HC238 | 3-to-8 line decoder/demultiplexer | Philips |
| 163432 | 74HC238BQ | 3-to-8 line decoder/demultiplexer | Nexperia |
| 163433 | 74HC238BQ | 3-to-8 line decoder/demultiplexer | NXP Semiconductors |
| 163434 | 74HC238BQ-Q100 | 3-to-8 line decoder/demultiplexer | Nexperia |
| 163435 | 74HC238BQ-Q100 | 3-to-8 line decoder/demultiplexer | NXP Semiconductors |
| 163436 | 74HC238D | 3-to-8 line decoder/demultiplexer | Nexperia |
| 163437 | 74HC238D | 3-to-8 line decoder/demultiplexer | NXP Semiconductors |
| 163438 | 74HC238D | 74HC/HCT238; 3-to-8 line decoder/demultiplexer | Philips |
| 163439 | 74HC238D-Q100 | 3-to-8 line decoder/demultiplexer | Nexperia |
| 163440 | 74HC238D-Q100 | 3-to-8 line decoder/demultiplexer | NXP Semiconductors |
